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Finding the Fourth Proportional to 12,369.60, 18,557.15 and 6,133.01

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Solution

The fourth proportional to 12,369.60, 18,557.15 and 6,133.01 is: 9,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.60 : 18,557.15 = 6,133.01 : x
  2. Step 2: Convert to fraction form
    12,369.60/18,557.15 = 6,133.01/x
  3. Step 3: Cross multiply
    12,369.60x = 18,557.15 × 6,133.01
  4. Step 4: Simplify right side
    12,369.60x = 113,811,063.07
  5. Step 5: Solve for x
    x = 113,811,063.07/12,369.60
  6. Step 6: Final answer
    x = 9,200.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.